Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

Art and a pun, all in one.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The most visited, and possibly most controversial, museum in Germany.

Ruins of a German Castle on top of a towering stone pillar.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

The fairy tale castle of the "fairy-tale king."

An eerie, derelict amusement park in Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A public urinal so pretty, it was declared a national monument.

These magnificent 240-year-old machines are considered distant ancestors of the computer.

Video games, body language, and postal history are all on display in this Swiss museum.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This imposing 20th-century castle was abandoned before it was ever completed.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

An unexpectedly extraterrestrial room in a former Victorian resort club.

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Where the sleeping monsters of Scotland's oil industry are left to rust.